湿地
三江平原
生态学
生物多样性
动物群
环境科学
丰度(生态学)
沼泽
土地复垦
生物
作者
Liangcheng Song,Jing Liu,Xiumin Yan,Cheng Liang,Donghui Wu
标识
DOI:10.1016/j.envpol.2015.10.008
摘要
Wetlands are commonly limited in available nitrogen. But marshes in the Sanjiang Plain, Northeastern China suffer large amounts of exogenous nitrogen from agriculture fertilization after wetland reclamation. This paper focuses on the ecological effects of a short-term increase of nitrogen input on collembolan communities. Our results show a significant decrease in collembolan abundance and Shannon diversity index, and the abundance of euedaphic and hemiedaphic collembolans decreased faster than epedaphic collembolans. These results indicate that euedaphic or hemiedaphic fauna suffer more biodiversity loss caused by nitrogen deposition than epedaphic fauna and call for more researches on trait-based approaches under environmental stress in the future.
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